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Find the Diameter
Find the Area
Find the Radius
Find the Circumference
Find the Radius
100

 C = 14 cm

4.46 cm

100

R = 8 cm

A = 201.06 cm

100

D = 12 cm

R = 6 cm

100

R = 6.4 cm

C = 40.21 cm

100

D = 13.5 cm

R = 6.75 cm

200

R = 3.6 cm

D = 7.2 cm

200

R = 5 cm

A = 78.54 cm

200

D = 17 cm

R = 8.5 cm

200

R = 7.3 cm

C = 45.87 cm

200

D = 34.6 cm

R = 17.3 cm

300

C = 17.4 cm

5.54 cm

300

R = 7.4 cm 

A = 172.03 cm

300

D = 22 cm

R = 11 cm

300

R = 13.9 cm

C = 87.34 cm

300

D = 9 cm

R = 4.5 cm

400

R = 11.7 cm

23.4 cm

400

D = 7 cm

A = 38.49 cm

400

C = 35 cm

R = 5.57 cm

400

D = 14

C = 43.98  cm

400

C = 22 cm

R = 3.50  cm

500

C = 46.78 cm

14.89 cm

500

D = 9 cm

A = 63.62 cm

500

C = 19 cm 

R = 3.02 cm

500

D = 29 cm

C = 91.11 cm

500

C = 31.7 cm 

R = 5.05 cm